<i>Paranthropus boisei</i> (IMAGE)

University of Colorado at Boulder

<i>Paranthropus boisei</i>

Caption

Paranthropus boisei, an ancient human relative that was nicknamed "Nutcracker Man" because of its powerful jaws and large, flat teeth, did not eat nuts but instead dined primarily on grasses, according to a new study involving CU-Boulder.

Credit

The National Museums of Kenya.

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